Year	Number
2004-01-01	2057
2005-01-01	2150
2006-01-01	2240
2007-01-01	2389
2008-01-01	2367
2009-01-01	2241
2010-01-01	2264
2011-01-01	2230
2012-01-01	2226
2013-01-01	2217
2014-01-01	2152
2015-01-01	2127
2016-01-01	2067
2017-01-01	2057